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Mersen Class J Fuse Base with Reinforced Clip, Tin-Plated Copper
The Mersen Class J Fuse Base is an open-style fuse block designed to accommodate all Class J fuses ranging from 0-600A at 600V, making it a versatile foundation for industrial and commercial power distribution. It features a box-style connector that accepts stranded or solid copper or aluminum wire, high-conductivity tin-plated copper fuse clips with a spring-reinforced design for secure fuse retention, and a molded glass-filled polycarbonate (GFPC) insulating body rated for dielectric strength in excess of 2500V. Backed by CSA and UL listings, this fuse base is engineered for dependable, code-compliant performance in demanding electrical environments.
Key Features
- Broad Ampere Range: Accommodates all Class J fuses ranging from 0-600A for flexible circuit protection across a wide range of applications.
- Voltage Rating: Rated 600V AC/DC for use in demanding industrial and commercial power distribution systems.
- Reinforced Fuse Clips: High-conductivity, tin-plated copper fuse clips with spring-reinforced construction for a secure, low-resistance fuse connection.
- Box Connector: Accepts a wide range of stranded or solid copper or aluminum wire for flexible field wiring.
- Insulating Material: Molded glass-filled polycarbonate (GFPC) body with dielectric strength in excess of 2500V for reliable electrical isolation.
- Short Circuit Current Rating: 200kA SCCR supports use in systems with high available fault current.
- Operating Temperature Range: Rated from -25°C to 80°C for stable performance across ambient conditions.
- Frequency Rating: Suitable for 50/60Hz electrical systems.
Certifications & Compliance
- CSA Certified, Class 6225, File 32169
- Meets the requirements of UL4248 (formerly UL512)
- UL Listed, Guide IZLT, File E52283
Technical Specifications
- Country of Origin: Mexico
- Body Insulating Material: GFPC (Glass-Filled Polycarbonate)
- Short Circuit Current Rating (SCCR): 200kA
- Rated Voltage AC/DC: 600V
- Operating Temperature: -25°C to 80°C
- Frequency: 50/60Hz
Typical Applications
- Industrial Power Distribution Panels
- Motor Control Centers
- Disconnect Switches and Safety Switches
- Panelboards and Switchboards
- OEM Equipment Fusing
- Class J Fuse Protection Systems
Why Mersen?
Mersen fuse bases combine high-conductivity, tin-plated copper clips with a spring-reinforced design and durable GFPC insulation rated for dielectric strength in excess of 2500V, delivering secure, low-resistance fuse connections. With CSA certification and UL listing to UL4248, this Class J fuse base is built for reliable, code-compliant performance in professional electrical installations where consistent fuse retention and high short circuit current rating are essential.
Manufacturer Resources
Product Specs
- Ampere Rating:
- 30 A
- Body Insulating Material:
- GFPC
- Max Operating Temp:
- 80 °C
- Max Storage Temp:
- 80 °C
- Frequency Hz:
- 50/60 Hz
- Max Fuse Rating:
- 30 A
- Fuse Installation Method:
- Clip-in
- Short Circuit Current Rating Sccr:
- 200 kA
- Rated Voltage Ac Ul:
- 600 V
- Country Of Origin:
- MX
- Min Storage Temp:
- -25 °C
- Rated Voltage Dc Ul:
- 600 V
- Country of Origin:
- MEX
- Spec Sheet:
- https://media.distributordatasolutions.com/xlsx_mersen/2021q1/documents/400a6dae59ea1e8095deffd8a4d9ba6f1a277800.pdf
- list_batch:
- MERSEN-20260825
- Department:
- Electrical
- Product Group:
- Wiring Devices
- Product Type:
- Fuse